| 1 | A N R Pipeline Co | | Oil & Gas Operator | Jan 2025 |
| 2 | A N R Storage Company | | Oil & Gas Operator | Oct 2016 |
| 3 | Amoco Production Co And C M S Oil And Gas | | Oil & Gas Operator | Sep 1996 |
| 4 | Amoco Production Co And Peninsular Oil And Gas Co | | Oil & Gas Operator | Sep 1998 |
| 5 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Jul 2026 |
| 6 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Jan 2026 |
| 7 | Arbor Operating LLC | | Oil & Gas Operator | May 2026 |
| 8 | Arbor Resources LLC | | Oil & Gas Operator | Dec 2007 |
| 9 | Baby Oil And Gas Company LLC | | Oil & Gas Operator | Apr 2026 |
| 10 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
| 11 | Blue Lake Gas Storage Co | | Oil & Gas Operator | Oct 2016 |
| 12 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 13 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 14 | C M S Gas Transmission Co | | Oil & Gas Operator | Dec 2020 |
| 15 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 16 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 17 | Conoco Inc | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 18 | Core Energy LLC | | Oil & Gas Operator | May 2026 |
| 19 | D T E Gas And Oil Co | | Gas Operator | May 2007 |
| 20 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 21 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 22 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 23 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 24 | Fairway Petroleum Inc | Stafford, TX 77497 | Oil & Gas Operator | Nov 2001 |
| 25 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Apr 2026 |
| 26 | Finders Co And Sullivan And Co | | Oil & Gas Operator | May 1987 |
| 27 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 28 | Fortyfive Energy LLC | | Gas Operator | May 2026 |
| 29 | Geoseis Inc | | Oil Operator | Oct 1988 |
| 30 | Global Natural Resources | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 31 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 32 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 33 | Jennings Petroleum Corp | | Oil & Gas Operator | Dec 1988 |
| 34 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2026 |
| 35 | K C S Michigan Resources Inc | | Oil & Gas Operator | Mar 2004 |
| 36 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 37 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 38 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 39 | Lambda Energy Resources LLC | | Oil & Gas Operator | May 2026 |
| 40 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | May 2026 |
| 41 | Lees Petroleum LLC | | Oil & Gas Operator | Jul 2000 |
| 42 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | May 2026 |
| 43 | McClure Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 44 | Mercury Exploration Co | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
| 45 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Jul 2026 |
| 46 | Michigan Oil Company | FT Worth, TX 76117 | Oil & Gas Operator | Feb 1998 |
| 47 | Michigan Petroleum Exploration Inc | | Oil & Gas Operator | Oct 2005 |
| 48 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 49 | Miracle Petroleum LLC | | Oil & Gas Operator | Oct 2018 |
| 50 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Apr 2026 |
| 51 | Monroe James | | Oil & Gas Operator | Oct 1997 |
| 52 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Jul 2026 |
| 53 | O I L Energy Corp | | Oil & Gas Operator | Oct 2017 |
| 54 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Apr 2026 |
| 55 | Pan American Petroleum Corp. | | Oil & Gas Operator | Nov 1988 |
| 56 | Pasadena Oil And Gas Corp | | Oil & Gas Operator | Dec 2001 |
| 57 | Paxton Resources LLC | | Oil & Gas Operator | May 2026 |
| 58 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 59 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 60 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 61 | Reef Petroleum Corp | | Oil & Gas Operator | Feb 1994 |
| 62 | Reefworks LLC | | Oil & Gas Operator | Apr 2026 |
| 63 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Apr 2026 |
| 64 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 65 | Rovsek Adolph E | | Oil & Gas Operator | Oct 1991 |
| 66 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2026 |
| 67 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | May 2026 |
| 68 | Savoy Exploration Inc | | Oil & Gas Operator | Feb 2020 |
| 69 | Schmude Oil Inc | | Oil & Gas Operator | Apr 2026 |
| 70 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 71 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 72 | Tiger Development LLC | | Oil & Gas Operator | Aug 2019 |
| 73 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 74 | W W Energy Corp | | Oil & Gas Operator | Apr 2026 |
| 75 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | May 2026 |
| 76 | Western Reserves Oil Co Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 77 | Western Reserves Oil Co Inc And Sullivan And Co | | Oil & Gas Operator | Jul 2001 |
| 78 | White Pine Production LLC | | Oil & Gas Operator | May 2026 |
| 79 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |